WorksheetsEcosystems Pre-assessment
Total questions: 26
Worksheet time: 14mins
An ____ is all the living and nonliving things that exist and interact in one place.
producers
ecosystem
consumers
population
Which of the following can cause an imbalance in an ecosystem?
change in water supply
trees are cut down or die due to disease
invasive species is introduced
all of the answers are correct
A plant is an example of a
producer
consumer
decomposer
A fox is an example of a
producer
consumer
decomposer
A worm is an example of a
producer
consumer
decomposer
A fox is an example of a
predator
prey
A mouse is an example of a
predator
prey
A giraffe is an example of a
herbivore
carnivore
omnivore
What is a population?
ecosystem made mostly of land, but can have some water
ecosystem made up mostly water, but can have some land
different organisms that coexist in the same area
members of the same type of organism that live in an environment
What is a community?
ecosystem made mostly of land, but can have some water
ecosystem made up mostly water, but can have some land
different organisms that coexist in the same area
members of the same type of organism that live in an environment
Interconnected chains to show transfer of energy is called
a food chain.
a food web.
A flea is an example of a _____________ because it does harm to the host it is living on.
producer
prey
parasite
What do the arrows mean on a food chain or food web?
"just ate"
"died"
"moved to"
"gives energy to"
Without decomposers, what would build up on the ground and not return to the soil?
large rocks
rain water
bacteria and other microorganisms
dead plant and animal matter
All the living and nonliving things in an area make up a/an
community.
ecosystem.
population.
environment.
To avoid being eaten, a rabbit will run away from
carnivores.
scavengers.
herbivores.
producers.
Without the Sun, which of Earth's organisms could no longer survive?
producers only
producers and consumers
scavengers only
nearly all organisms
